package com.mzxy.boxuegu;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.mzxy.boxuegu.view.MyInfoView;

public class MainActivity extends AppCompatActivity implements  View.OnClickListener {


    private FrameLayout mBodyLayout;

    public LinearLayout mBottomLayout;

    private View mCourseBtn;
    private View mExercisesBtn;
    private View mMyInfoBtn;
    private TextView tv_course;
    private TextView tv_exercises;
    private TextView tv_myinfo;
    private ImageView iv_course;
    private ImageView iv_exercises;
    private ImageView iv_myinfo;
    private TextView tv_back;
    private TextView tv_main_title;
    private RelativeLayout rl_title_bar;
    private MyInfoView mMyInfoView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        init();
        initBottomBar();
        setListener();
        setInitStatus();
    }



    private void init() {
        tv_back = (TextView) findViewById(R.id.tv_back);
        tv_main_title = (TextView) findViewById(R.id.tv_main_title);
        tv_main_title.setText("博学谷课程");
        rl_title_bar = (RelativeLayout) findViewById(R.id.title_bar);
        rl_title_bar.setBackgroundColor(Color.parseColor("#30b4ff"));
        tv_back.setVisibility(View.GONE);
        initBodyLayout();
    }

    private void initBottomBar() {
        mBottomLayout = (LinearLayout) findViewById(R.id.main_bottom_bar);
        mCourseBtn = findViewById(R.id.bottom_bar_course_btn);
        mExercisesBtn= findViewById(R.id.bottom_bar_exercises_btn);
        mMyInfoBtn= findViewById(R.id.bottom_bar_myinfo_btn);
        tv_course = (TextView) findViewById(R.id.bottom_bar_text_course);
        tv_exercises = (TextView) findViewById(R.id.bottom_bar_text_exercises);
        tv_myinfo = (TextView) findViewById(R.id.bottom_bar_text_myinfo);
        iv_course = (ImageView) findViewById(R.id.bottom_bar_image_course);
        iv_exercises= (ImageView) findViewById(R.id.bottom_bar_image_exercises);
        iv_myinfo = (ImageView) findViewById(R.id.bottom_bar_image_myinfo);
    }


    private void initBodyLayout() {

        mBodyLayout = (FrameLayout) findViewById(R.id.main_body);
    }



    @Override
    public void onClick(View v) {
        switch (v.getId()){
            case  R.id.bottom_bar_course_btn:
                clearBottomImageState();
                selectDisplayView(0);
                Toast.makeText(this,"课程",Toast.LENGTH_SHORT).show();
                break;

            case  R.id.bottom_bar_exercises_btn:
                clearBottomImageState();
                selectDisplayView(1);
                Toast.makeText(this,"习题",Toast.LENGTH_SHORT).show();
                break;

            case  R.id.bottom_bar_myinfo_btn:
                clearBottomImageState();
                selectDisplayView(2);
                Toast.makeText(this,"我",Toast.LENGTH_SHORT).show();
                Intent intent=new Intent(MainActivity.this,LoginActivity.class);
                startActivity(intent);
                break;
                default:
                    break;
        }
    }

    public void  setListener(){
        for(int i =0;i<mBottomLayout.getChildCount();i++) {
            mBottomLayout.getChildAt(i).setOnClickListener(this);
        }
    }

    private  void clearBottomImageState() {
        tv_course.setTextColor(Color.parseColor("#666666"));
        tv_exercises.setTextColor(Color.parseColor("#666666"));
        tv_myinfo.setTextColor(Color.parseColor("#666666"));
        iv_course.setImageResource(R.drawable.main_course_icon);
        iv_exercises.setImageResource(R.drawable.main_exercises_icon);
        iv_myinfo.setImageResource(R.drawable.main_my_icon);

        for (int i =0 ; i<mBottomLayout.getChildCount();i++){
            mBottomLayout.getChildAt(i).setSelected(false);
        }

    }


    private void setSelectedStatus(int index) {
        switch (index){
            case  0 :
                mCourseBtn.setSelected(true);
                iv_course.setImageResource(R.drawable.main_course_icon_selected);
                tv_course.setTextColor(Color.parseColor("#0097f7"));
                rl_title_bar.setVisibility(View.VISIBLE);
                tv_main_title.setText("博学谷课程");
                break;

            case  1 :
                mExercisesBtn.setSelected(true);
                iv_exercises.setImageResource(R.drawable.main_exercises_icon_selected);
                tv_exercises.setTextColor(Color.parseColor("#0097f7"));
                rl_title_bar.setVisibility(View.VISIBLE);
                tv_main_title.setText("博学谷习题");
                break;

            case  2 :

                mMyInfoBtn.setSelected(true);
                iv_myinfo.setImageResource(R.drawable.main_my_icon_selected);
                tv_myinfo.setTextColor(Color.parseColor("#0097f7"));
                rl_title_bar.setVisibility(View.GONE);
                break;
        }
    }


    private void removeAllView() {
        for (int i = 0;i<mBodyLayout.getChildCount();i++){
            mBodyLayout.getChildAt(i).setVisibility(View.GONE);
        }
    }


    private void setInitStatus() {
        clearBottomImageState();
        setSelectedStatus(0);
        createView(0);
    }

    private void selectDisplayView(int index) {
        removeAllView();
        createView(index);
        setSelectedStatus(index);

    }



    private void createView(int viewIndex) {
        switch (viewIndex){
            case 0:
                break;
            case 1:
                break;
            case 2:
                if (mMyInfoView == null){
                    mMyInfoView = new MyInfoView(this);
                    mBodyLayout.addView(mMyInfoView.getView());
                }else {
                    mMyInfoView.getView();
                }
                mMyInfoView.showView();
                break;

        }

    }

    protected  long exitTime;

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event){
        KeyEvent keyEvent = null;
        if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == keyEvent.ACTION_DOWN){
            if ((System.currentTimeMillis() - exitTime)>2000){
                Toast.makeText( MainActivity.this,"再按一次推出博学谷" , Toast.LENGTH_SHORT).show();
                exitTime = System.currentTimeMillis();
            }else{
                    MainActivity.this.finish();
                    if (readLoginStatus()){
                        clearBottomImageState();
                    }
                    System.exit(0);
            }
            return true;
        }
        return  super.onKeyDown(keyCode,event);
    }

    private boolean readLoginStatus() {
        SharedPreferences sp = getSharedPreferences("loginInfo", Context.MODE_PRIVATE);
        boolean isLogin = sp.getBoolean("isLogin",false);
        return  isLogin;
    }

    private void clearLoginStatus(){
        SharedPreferences sp = getSharedPreferences("loginInfo",Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();
        editor.putBoolean("isLogin",false);
        editor.putString("loginUserName","");
        editor.commit();
    }

    @Override
    protected void onActivityResult(int requestCode,int resultCode, Intent data){
        super.onActivityResult(requestCode,resultCode,data);
        if (data!=null){
            boolean isLogin = data.getBooleanExtra("isLogin",false);
            if (isLogin){
                clearBottomImageState();
                selectDisplayView(0);
            }
            if (mMyInfoView != null){
                mMyInfoView.setLoginParams(isLogin);
            }
        }
    }


}